How many years has Tongzhou Langfang Garden been renting a house?

Five years. According to the information in "People's Republic of China (PRC) Urban Real Estate Management Law", only the supporting commercial houses built due to the relocation of major municipal projects or the low-priced commercial houses jointly purchased with them have the agreement that they can apply for a certificate after 5 years. Tongzhou Langfang Garden belongs to the relocated house, and it will take five years to get the house book.